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-rw-r--r--lib/config.h.cmake4
1 files changed, 4 insertions, 0 deletions
diff --git a/lib/config.h.cmake b/lib/config.h.cmake
index baa8a3a38..bb0d552b5 100644
--- a/lib/config.h.cmake
+++ b/lib/config.h.cmake
@@ -50,6 +50,10 @@
/* to make a symbol visible */
#cmakedefine CURL_EXTERN_SYMBOL ${CURL_EXTERN_SYMBOL}
+/* Ensure using CURL_EXTERN_SYMBOL is possible */
+#ifndef CURL_EXTERN_SYMBOL
+#define CURL_EXTERN_SYMBOL
+#endif
/* to enable hidden symbols */
#cmakedefine CURL_HIDDEN_SYMBOLS ${CURL_HIDDEN_SYMBOLS}